Click Here to View Image我正在实施Drag＆amp;放入wpf。我想把ListBoxItem从一个Listbox拖到另一个Listbox。拖动时应该可以看到listboxitem。我错过了什么吗？
XAML
<Grid x:Name="MainGrid" Width="{Binding ElementName=ProjectWindow,Path=ActualWidth}" >
<Grid.ColumnDefinitions>
<ColumnDefinition Width="19*" />
<ColumnDefinition Width="283*" />
<ColumnDefinition Width="59*" />
<ColumnDefinition Width="19*" />
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="7*" />
<RowDefinition Height="83*" />
</Grid.RowDefinitions>
<Canvas Grid.Row="0" >
<Label Content="TM" FontSize="14" Foreground="White" FontFamily="segoe_uilight" Canvas.Left="118" Canvas.Top="-4"></Label>
<Label Content="smart" FontSize="26" Foreground="White" FontFamily="segoe_uilight"></Label>
<Label Content="Project" FontSize="26" Foreground="White" FontFamily="segoe_uilight" Canvas.Left="64" FontWeight="Bold"></Label>
<TextBlock Canvas.Left="164" Canvas.Top="15" Background="Black">
<Label Background="Black" Content="From" FontSize="12" Foreground="White" FontFamily="segoe_uilight" Canvas.Left="164" Canvas.Top="15" ></Label>
<DatePicker x:Name="StartDate" Width="100" Background="Black" Canvas.Left="204" Canvas.Top="15"></DatePicker>
<Label Background="Black" Content="Till" FontSize="12" Foreground="White" FontFamily="segoe_uilight" Canvas.Left="315" Canvas.Top="15" ></Label>
<DatePicker x:Name="EndDate" Width="100" Background="Black" Canvas.Left="344" Canvas.Top="15"></DatePicker>
<Label Background="Black" Content="My Activities" FontSize="12" Foreground="White" FontFamily="segoe_uilight" Canvas.Left="315" Canvas.Top="15" ></Label>
<CheckBox x:Name="ChckBoxMyActivities" Click="ChckBoxMyActivities_Click_1" Background="Black" Margin="0,0,0,5" Width="20"></CheckBox>
<Label Background="Black" Content="Project Component" FontSize="12" Foreground="White" FontFamily="segoe_uilight" Canvas.Left="315" Canvas.Top="15" ></Label>
<ComboBox x:Name="ComboBoxSubProjects" SelectionChanged="ComboBoxSubProjects_SelectionChanged_1" Background="Black" Margin="0,0,0,5" Width="100" ></ComboBox>
</TextBlock>
<Expander HorizontalAlignment="Right" FlowDirection="RightToLeft" Foreground="White" FontFamily="segoe_uilight" Width="200px" Canvas.Top="1" Canvas.Right="200" Canvas.Left="{Binding Source={x:Static SystemParameters.PrimaryScreenWidth}}" BorderBrush="#FF0A0909" BorderThickness="1,1,1,2" Background="#BF080707" Panel.ZIndex="99999">
<Expander.Header>
<StackPanel Orientation="Horizontal">
<Canvas Height="22" Width="172px" VerticalAlignment="Bottom">
<Label x:Name="LoginUserName" Margin="0px 0 0 0" HorizontalAlignment="Left" Foreground="White" FontFamily="segoe_uilight" BorderThickness="0"></Label>
<Image Source="img\icons\dropdown_user.png" Height="20px" Width="20px" RenderTransformOrigin="2.75,0.8" Canvas.Left="117" />
</Canvas>
</StackPanel>
</Expander.Header>
<!--<Expander.Content>
<TextBox Text="LoginUserName"></TextBox>
</Expander.Content>-->
<StackPanel Margin="10,4,0,0" >
<StackPanel Orientation="Horizontal">
<Label x:Name="lblSettings" Margin="49px 0 31px 0" HorizontalAlignment="Left" Content="Settings" Foreground="White" FontFamily="segoe_uilight" BorderThickness="0" RenderTransformOrigin="2.019,0.625">
</Label>
<Image Source="img\icons\setting.png" Height="20px" Width="20px" />
</StackPanel>
<!--<Label Margin="4" Content="Logout" />-->
<!--<Button x:Name="btnLogout" Margin="4" Content="Logout" Click="btnLogout_Click_1"></Button>-->
<StackPanel Orientation="Horizontal">
<Label x:Name="btnLogout" HorizontalAlignment="Left" Margin="54px 0 31px 0" Content="Logout" Foreground="White" FontFamily="segoe_uilight" BorderThickness="0">
</Label>
<Image Source="img\icons\logout.png" Height="20px" Width="20px" />
</StackPanel>
</StackPanel>
</Expander>
</Canvas>
<Canvas Grid.Column="0" Grid.Row="1" Background="Orange">
<StackPanel Canvas.Left="10" Background="Gray" Width="60" >
<Image Source="img\icons\information.png" Height="20px" Width="20px" />
<Label HorizontalAlignment="Center" Content="Info" Foreground="White" FontFamily="segoe_uilight" BorderThickness="0" >
</Label>
</StackPanel>
<StackPanel Canvas.Left="10" Canvas.Top="45" Background="Gray" Width="60" >
<Image Source="img\icons\Scheme.png" Height="20px" Width="20px" />
<Label HorizontalAlignment="Center" Content="Schema" Foreground="White" FontFamily="segoe_uilight" BorderThickness="0" >
</Label>
</StackPanel>
<StackPanel Canvas.Left="10" Canvas.Top="90" Background="Gray" Width="60" >
<Image Source="img\icons\Tavala.png" Height="20px" Width="20px" />
<Label HorizontalAlignment="Center" Content="Tavla" Foreground="White" FontFamily="segoe_uilight" BorderThickness="0" >
</Label>
</StackPanel>
</Canvas>
<Canvas x:Name="gd" Grid.Column="1" Grid.Row="1" Panel.ZIndex="-1" Background="Orange">
<Grid Width="{Binding ElementName=gd, Path=ActualWidth}" Panel.ZIndex="-1">
<Grid.RowDefinitions>
<RowDefinition />
</Grid.RowDefinitions>
<Canvas Grid.Column="1" Grid.Row="0" >
<Canvas x:Name="MainCanvas" Width="{Binding ElementName=gd,Path=ActualWidth}" >
<ListBox Height="{Binding ElementName=gd,Path=ActualHeight}" Width="{Binding ElementName=gd,Path=ActualWidth}" BorderThickness="0" >
<ListBoxItem>
<ListBox Loaded="icTodoList_Loaded_1" Background="Azure" SelectionChanged="icTodoList_SelectionChanged_1" Name="icTodoList" Height="50" Width="{Binding ElementName=gd,Path=ActualWidth}" >
<ListBox.ItemTemplate>
<DataTemplate>
<ListBox x:Name="Phases" BorderThickness="0">
<ListBoxItem>
<Canvas x:Name="PhaseCanvas" Height="20" Width="200" Margin="0,0,20,20" >
<StackPanel Orientation="Horizontal">
<TextBlock x:Name="txtPhaseID" TextAlignment="Center" FontWeight="Light" HorizontalAlignment="Center" FontSize="16" Foreground="Black" FontFamily="segoe_uilight" Text="{Binding PhaseTitle}" Height="20" Width="140" />
<Image Margin="20,0,0,0" Tag="{Binding PhaseID}" Source="img\icons\add_btn.png" Width="20" Height="15" MouseUp="Image_MouseUp_1"></Image>
<!--<TextBlock HorizontalAlignment="Left" FontFamily="segoe_uilight" FontStyle="Italic" Text="{Binding UserName}" Height="20" Width="180" />
<TextBlock TextWrapping="Wrap" HorizontalAlignment="Left" FontFamily="segoe_uilight" Text="{Binding ThreadDescription}" Height="45" Width="200" />-->
</StackPanel>
</Canvas>
</ListBoxItem>
</ListBox>
</DataTemplate>
</ListBox.ItemTemplate>
<ListBox.ItemsPanel>
<ItemsPanelTemplate>
<WrapPanel IsItemsHost="True" Orientation="Horizontal" />
</ItemsPanelTemplate>
</ListBox.ItemsPanel>
</ListBox>
</ListBoxItem>
<ListBoxItem>
<ListBox Loaded="ActivityListBox_Loaded_1" Background="Orange" Name="ActivityListBox" Height="{Binding ElementName=gd,Path=ActualHeight}" Width="{Binding ElementName=gd,Path=ActualWidth}" BorderThickness="0" >
<ListBox.ItemTemplate>
<DataTemplate>
<ListBox x:Name="InnerActivityListBox" Tag="{Binding PhaseID}" Width="225" Height="{Binding ElementName=gd,Path=ActualHeight}" Background="Orange" PreviewMouseLeftButtonDown="InnerActivityListBox_PreviewMouseLeftButtonDown_1" AllowDrop="True" DragEnter="InnerActivityListBox_DragEnter_1" Drop="InnerActivityListBox_Drop_1" DragOver="InnerActivityListBox_DragOver_1" BorderThickness="0">
<!--<ListBoxItem>-->
<!--<Canvas x:Name="ActivityCanvas" Width="200" Height="70" Background="White" >
<StackPanel Orientation="Vertical">
<TextBlock HorizontalAlignment="Left" FontWeight="Bold" Height="70" Width="10" Background="{Binding ColorDefination}" Margin="0"></TextBlock>
<TextBlock Margin="30,-70,0,0" Text="{Binding ActivityTitle}" FontWeight="Bold" ></TextBlock>
<TextBlock Margin="30,-60,0,0" Text="{Binding ProjectComponentTitle}" ></TextBlock>
<TextBlock Margin="30,-40,0,0" Text="1 Jan-3Mar" ></TextBlock>
</StackPanel>
<StackPanel Orientation="Horizontal" >
<Image Name="imgDesc" MouseUp="imgDesc_MouseUp_1" Source="img/icons/icon.png" Margin="20,50,0,0" Canvas.Left="15" Canvas.Top="50"></Image>
<Image Name="imgComments" MouseUp="imgComments_MouseUp_1" Source="img/icons/icon_1.png" Margin="20,50,0,0" Canvas.Left="45" Canvas.Top="50"></Image>
<Image Name="imgMembers" MouseUp="imgMembers_MouseUp_1" Source="img/icons/icon_2.png" Margin="20,50,0,0" Canvas.Left="75" Canvas.Top="50"></Image>
<Image Name="imglinks" MouseUp="imglinks_MouseUp_1" Source="img/icons/t3.png" Margin="20,50,0,0" Canvas.Left="105" Canvas.Top="50"></Image>
</StackPanel>
</Canvas>-->
<!--</ListBoxItem>-->
</ListBox>
</DataTemplate>
</ListBox.ItemTemplate>
<ListBox.ItemsPanel>
<ItemsPanelTemplate>
<WrapPanel IsItemsHost="True" Orientation="Horizontal" />
</ItemsPanelTemplate>
</ListBox.ItemsPanel>
</ListBox>
</ListBoxItem>
</ListBox>
<!--<ListBox Loaded="ActivityListBox_Loaded_1" Name="ActivityListBox" Height="{Binding ElementName=gd,Path=ActualHeight}" Canvas.Top="100" Width="{Binding ElementName=gd,Path=ActualWidth}" Background="Orange">
<ListBox.ItemTemplate >
<DataTemplate>
<ListBox x:Name="InnerActivityListBox">
<ListBoxItem>
<Canvas x:Name="ActivityCanvas" Width="200" Height="70" Background="White" >
<StackPanel Orientation="Vertical">
<TextBlock HorizontalAlignment="Left" FontWeight="Bold" Height="70" Width="10" Background="{Binding ColorDefination}" Margin="0"></TextBlock>
<TextBlock Margin="30,-70,0,0" Text="{Binding ActivityTitle}" FontWeight="Bold" ></TextBlock>
<TextBlock Margin="30,-60,0,0" Text="{Binding ProjectComponentTitle}" ></TextBlock>
<TextBlock Margin="30,-40,0,0" Text="1 Jan-3Mar" ></TextBlock>
</StackPanel>
<StackPanel Orientation="Horizontal" >
<Image Name="imgDesc" MouseUp="imgDesc_MouseUp_1" Source="img/icons/icon.png" Margin="20,50,0,0" Canvas.Left="15" Canvas.Top="50"></Image>
<Image Name="imgComments" MouseUp="imgComments_MouseUp_1" Source="img/icons/icon_1.png" Margin="20,50,0,0" Canvas.Left="45" Canvas.Top="50"></Image>
<Image Name="imgMembers" MouseUp="imgMembers_MouseUp_1" Source="img/icons/icon_2.png" Margin="20,50,0,0" Canvas.Left="75" Canvas.Top="50"></Image>
<Image Name="imglinks" MouseUp="imglinks_MouseUp_1" Source="img/icons/t3.png" Margin="20,50,0,0" Canvas.Left="105" Canvas.Top="50"></Image>
</StackPanel>
</Canvas>
</ListBoxItem>
</ListBox>
</DataTemplate>
</ListBox.ItemTemplate>
<ListBox.ItemsPanel>
<ItemsPanelTemplate>
<WrapPanel IsItemsHost="True" Orientation="Vertical" />
</ItemsPanelTemplate>
</ListBox.ItemsPanel>
</ListBox>-->
<!--<Canvas Width="200" Height="50" Background="White" Canvas.Left="46" Canvas.Top="10">
<TextBlock FontWeight="Bold" Height="50" Width="10" Canvas.Left="0" Background="Gray"></TextBlock>
<TextBlock Text="Header Style" FontWeight="Bold" Canvas.Top="2" Canvas.Left="15"></TextBlock>
<TextBlock Text="Schedule" Canvas.Top="14" Canvas.Left="15"></TextBlock>
<TextBlock Text="1 Jan-3Mar" Canvas.Top="7" Canvas.Left="110"></TextBlock>
<Image Source="img/icons/icon.png" Canvas.Left="15" Canvas.Bottom="5"></Image>
<Image Source="img/icons/icon_1.png" Canvas.Left="45" Canvas.Bottom="5"></Image>
<Image Source="img/icons/icon_2.png" Canvas.Left="75" Canvas.Bottom="5"></Image>
<Image Source="img/icons/t3.png" Canvas.Left="105" Canvas.Bottom="5"></Image>
</Canvas>-->
</Canvas>
</Canvas>
</Grid>
</Canvas>
<Canvas x:Name="cn" Grid.Column="2" Grid.Row="1" Background="White" MouseUp="Canvas_MouseUp_1">
<!--`ActivityInfo Popup up-->
<Canvas x:Name="ActivityInfo" Background="Green" Height="{Binding ElementName=cn,Path=ActualHeight}" MouseUp="ActivityInfo_MouseUp_1" Visibility="Hidden">
<TextBlock x:Name="projectdescrption" Foreground="#FFF3800C" FontFamily="segoe_uilight" FontSize="18" Text="Information" Canvas.Left="10" ></TextBlock>
<Canvas Background="White" Height="900" Width="200" Canvas.Top="50" Canvas.Left="10">
<StackPanel Width="200" Height="900" Background="White" Orientation="Vertical" >
<TextBlock x:Name="ActivityTitle" Text="Title" FontFamily="segoe_uilight" FontSize="18" Foreground="Black"></TextBlock>
<TextBlock x:Name="txtActivityTitle" Text="Page Design" FontFamily="segoe_uilight" FontSize="12" Foreground="Black"></TextBlock>
<TextBlock x:Name="ProjectCompnt" Text="Project Component" FontFamily="segoe_uilight" FontSize="18" Foreground="Black" Margin="0,20,0,0"></TextBlock>
<TextBlock x:Name="txtProjectCompnt" Text="Project Component Design" FontFamily="segoe_uilight" FontSize="12" Foreground="Black"></TextBlock>
<TextBlock x:Name="Phase" Text="Phase" FontFamily="segoe_uilight" FontSize="18" Foreground="Black" Margin="0,20,0,0"></TextBlock>
<TextBlock x:Name="txtPhase" Text="Phase Design" FontFamily="segoe_uilight" FontSize="12" Foreground="Black"></TextBlock>
<TextBlock x:Name="Start" Text="Start" FontFamily="segoe_uilight" FontSize="18" Foreground="Black" Margin="0,20,0,0"></TextBlock>
<TextBlock x:Name="txtStart" Text="2014-1-16" FontFamily="segoe_uilight" FontSize="12" Foreground="Black"></TextBlock>
<TextBlock x:Name="End" Text="End" FontFamily="segoe_uilight" FontSize="18" Foreground="Black" Margin="0,20,0,0"></TextBlock>
<TextBlock x:Name="txtEnd" Text="2014-2-16" FontFamily="segoe_uilight" FontSize="12" Foreground="Black"></TextBlock>
<TextBlock x:Name="Activitydescrption" Foreground="Black" FontFamily="segoe_uilight" FontSize="18" Text="Description" Margin="0,20,0,0"></TextBlock>
<TextBlock x:Name="txtActivitydescrption" HorizontalAlignment="Left" Text="Loresum lipsum Loresum lipsum Loresum lipsum lipsum Loresum lipsum lipsum Loresum lipsum" Height="70" Width="180" FontFamily="segoe_uilight" TextWrapping="Wrap" Margin="0,0,0,0" FontSize="12" Foreground="Black"></TextBlock>
<TextBlock x:Name="ActivityRequirement" Foreground="Black" FontFamily="segoe_uilight" FontSize="18" Text="Requirement" Margin="0,20,0,0"></TextBlock>
<TextBlock x:Name="txtActivityRequirement" HorizontalAlignment="Left" Text="Loresum lipsum Loresum lipsum Loresum lipsum lipsum Loresum lipsum lipsum Loresum lipsum" Height="70" Width="180" FontFamily="segoe_uilight" TextWrapping="Wrap" Margin="0,0,0,0" FontSize="12" Foreground="Black"></TextBlock>
<Button x:Name="btnsave" Content="Save" Foreground="Black" Height="30" Width="100" HorizontalAlignment="Right" Background="#FFF3800C"></Button>
</StackPanel>
</Canvas>
</Canvas>
<!--`Activity Comments-->
<Canvas x:Name="Comments" Background="White" Height="{Binding ElementName=cn,Path=ActualHeight}" MouseUp="Comments_MouseUp_1" Visibility="Hidden">
<TextBlock x:Name="ActivityComments" Foreground="#FFF3800C" FontFamily="segoe_uilight" FontSize="23" Text="Comments" Canvas.Left="35"></TextBlock>
<TextBox x:Name="txtComments" Height="110" Width="200" BorderBrush="Black" TextWrapping="Wrap" Canvas.Top="40" Canvas.Left="5" VerticalScrollBarVisibility="Visible" AcceptsReturn="True"></TextBox>
<Button x:Name="btnsavecomments" Content="Send" Foreground="Black" Height="30" Width="100" Canvas.Top="170" Canvas.Left="35" Background="#FFF3800C"></Button>
<ListBox Canvas.Top="220" BorderBrush="White">
<ListBoxItem>
<!--<ListBox.ItemTemplate>
<DataTemplate>-->
<Canvas Width="220" Height="620">
<StackPanel Width="200" Height="Auto" Canvas.Top="20" Orientation="Vertical" >
<Border BorderThickness="2,2,2,2" CornerRadius="4" Background="#E26806">
<TextBlock x:Name="txtthreadComments" Height="Auto" Width="190" TextWrapping="Wrap" Background="#E26806" Text="g rg rg r g rg rg rg rg er gre ger ger g g gr" Foreground="White" ></TextBlock>
</Border>
<Image x:Name="imgthread" Height="30" Width="30" Margin="-100,-12,0,0" Source="D:\Amrit\Working Code\smart Info WPF app\SmartInfo\SmartAccount\SmartAccount\img\tol_tip.jpg"></Image>
<TextBlock x:Name="threadtime" Text="2014-6-7 12:00" HorizontalAlignment="Stretch" Margin="0,0,10,0" FontStyle="Italic" Height="20" Width="150" Foreground="Black" FontSize="16"></TextBlock>
<TextBlock x:Name="threadPostedBy" Text="Amrit Verma" Height="20" Width="150" Foreground="Black" FontStyle="Italic" FontWeight="Bold" FontSize="15"></TextBlock>
</StackPanel>
</Canvas>
</ListBoxItem>
<!--</DataTemplate>
</ListBox.ItemTemplate>-->
</ListBox>
</Canvas>
<!-- Assigned Memebres -->
<Canvas x:Name="AssignedMemebres" Background="White" Height="{Binding ElementName=cn,Path=ActualHeight}" Visibility="Hidden">
<TextBlock x:Name="Memebres" Foreground="#FFF3800C" FontFamily="segoe_uilight" FontSize="18" Text="Assigned Members" Canvas.Left="30"></TextBlock>
<ListBox Canvas.Top="40" BorderBrush="White">
<ListBoxItem>
<!--<ListBox.ItemTemplate>
<DataTemplate>-->
<Canvas Width="220" Height="620">
<TextBlock x:Name="AssignMemeber" Foreground="Black" FontFamily="segoe_uilight" FontSize="14" Text="+ Assign Memeber" FontStyle="Italic" Canvas.Left="12" Canvas.Top="-3"></TextBlock>
<StackPanel Width="200" Height="Auto" Canvas.Top="20" Orientation="Vertical" Canvas.Left="20">
<TextBlock FontFamily="segoe_uilight" FontSize="16" x:Name="txtassignedto" Text="Amrit Verma" FontWeight="Bold"></TextBlock>
<TextBlock FontFamily="segoe_uilight" FontSize="16" x:Name="txtassignedrole" Text="Developer" ></TextBlock>
<TextBlock FontFamily="segoe_uilight" FontSize="12" x:Name="Email" Text="Email" Margin="0,10,0,0"></TextBlock>
<TextBlock FontFamily="segoe_uilight" FontSize="14" x:Name="txtEmail" Text="Amrit@gmail.com" FontStyle="Italic"></TextBlock>
<TextBlock FontFamily="segoe_uilight" FontSize="12" x:Name="Phone" Text="Phone" Margin="0,10,0,0"></TextBlock>
<TextBlock FontFamily="segoe_uilight" FontSize="14" x:Name="txtPhone" Text="555-111 442 213" FontStyle="Italic"></TextBlock>
<TextBlock FontFamily="segoe_uilight" FontSize="12" x:Name="WorkingHours" Text="Working Hours" Margin="0,10,0,0"></TextBlock>
<TextBlock FontFamily="segoe_uilight" FontSize="14" x:Name="txtWorkingHours" Text="9:00 - 12:00" FontStyle="Italic"></TextBlock>
<TextBlock FontFamily="segoe_uilight" FontSize="12" x:Name="WorkingDays" Text="Working Days" Margin="0,10,0,0"></TextBlock>
<TextBlock FontFamily="segoe_uilight" FontSize="14" x:Name="txtWorkingDays" Text="Mon-Sat" FontStyle="Italic"></TextBlock>
</StackPanel>
</Canvas>
</ListBoxItem>
<!--</DataTemplate>
</ListBox.ItemTemplate>-->
</ListBox>
</Canvas>
</Canvas>
<Canvas Grid.Column="3" Grid.Row="1" Background="Orange" >
<StackPanel Canvas.Left="0" Background="Gray" Width="60" MouseUp="StackPanel_MouseUp_1" x:Name="stackpnlinfo">
<Image Source="img\icons\icon.png" Height="20px" Width="20px" />
<!--<Image Source="img\btn_img.jpg" Height="45px" Width="60px" />-->
<Label HorizontalAlignment="Center" Content="Info" Foreground="White" FontFamily="segoe_uilight" BorderThickness="0" ></Label>
</StackPanel>
<StackPanel Canvas.Left="0" Canvas.Top="45" Background="Gray" Width="60" MouseUp="StackPanel_MouseUp_2" x:Name="stackpnlcomment">
<Image Source="img\icons\icon_1.png" Height="20px" Width="20px" />
<Label HorizontalAlignment="Center" Content="Comments" Foreground="White" FontFamily="segoe_uilight" BorderThickness="0" >
</Label>
</StackPanel>
<StackPanel Canvas.Left="0" Canvas.Top="90" Background="Gray" Width="60" >
<Image Source="img\icons\icon_2.png" Height="20px" Width="20px" />
<Label HorizontalAlignment="Center" Content="Files" Foreground="White" FontFamily="segoe_uilight" BorderThickness="0" >
</Label>
</StackPanel>
<StackPanel Canvas.Left="0" Canvas.Top="135" Background="Gray" Width="60" x:Name="AssignedMembrs" MouseUp="AssignedMembrs_MouseUp_1">
<Image Source="img\icons\at.png" Height="20px" Width="20px" />
<Label HorizontalAlignment="Center" Content="Assigned Members" Foreground="White" FontFamily="segoe_uilight" BorderThickness="0" >
</Label>
</StackPanel>
</Canvas>
</Grid>
c＃
private void InnerActivityListBox_PreviewMouseLeftButtonDown_1（object sender，MouseButtonEventArgs e） { ListBox Phaseitem =（ListBox）发送者为ListBox; if（_dragged！= null） 返回;
UIElement element = Phaseitem.InputHitTest(e.GetPosition(Phaseitem)) as UIElement;
while (element != null)
{
if (element is ListBoxItem)
{
_dragged = (ListBoxItem)element;
break;
}
element = VisualTreeHelper.GetParent(element) as UIElement;
}
SourcePhaseID = Phaseitem.Tag.ToString();
Globallb = Phaseitem;
Globallbi = _dragged;
Phaseitem.Items.Remove(_dragged);
}
private void InnerActivityListBox_DragEnter_1(object sender, DragEventArgs e)
{
if (_dragged == null || e.Data.GetDataPresent(DataFormats.Text, true) == false)
e.Effects = DragDropEffects.None;
else
e.Effects = DragDropEffects.All;
}
private void InnerActivityListBox_Drop_1(object sender, DragEventArgs e)
{
ListBox Phaseitem = (ListBox)sender as ListBox;
DestinationPhaseID = Phaseitem.Tag.ToString();
Phaseitem.Items.Add(_dragged);
}
private void InnerActivityListBox_DragOver_1(object sender, DragEventArgs e)
{
e.Effects = DragDropEffects.Move;
}
答案 0 :(得分：0)
如果这是你想要实现的目标。这还包括设计您自己的Adorner，以便在拖动时显示为Ghost Perview
http://www.codeproject.com/Articles/43702/Drag-and-Drop-in-WPF-Part-II
这篇文章有香草代码，正是你想要的
http://www.essentialobjects.com/doc/5/controls/treeview/dragdrop.aspx#list_box